NAICS 621111: Offices of Physicians
This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practice of general or specialized medicine (except psychiatry or psychoanalysis) or surgery.  These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.

ExioML sector: Health and social work services (85)
Region: US | Year: 2022
Sector value added: 494535.123529 M EUR | Employment: 25054.2597813 thousand persons
Sector GHG emissions: 19792284842.0 kg CO2 eq | Energy carrier net total: 1182924.78393 TJ | Carbon intensity: 0.04002200025907637

Company: Massachusetts General Hospital
It is the original and largest clinical learning facility of Harvard Medical School, and houses the world's largest hospital-based research program with an annual research budget of more than $1.2 billion in 2021. It is the third-oldest general hospital in the United States with a patient capacity of 999 beds.